“Burning joss paper” is one of the most important culture in China, people pray for different blessing by burning joss paper. Nowadays, there are still many people have this habit, but they might not understand the content of that. Also, people will directly have a linkage between joss paper and death, therefore, they will avoid to know the information. Moreover, some organisations decided to stop burning joss paper, because they cannot provide a appropriate method to solve the environmental problem, which caused by burning joss paper, and it have the opportunity to make cultural faults.

The days of joss paper is a project which design with some life-related elements to reduce the affect and try to inherit this culture, also it can provide the information to users: what they burn? when they burn? and why they burn?